RELATIVE HUMIDITY SENSOR 1100 1101 Based unique capacitive cell,

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

RELATIVE HUMIDITY SENSOR 1100 1101 Based unique capacitive cell,

Datasheet Thumbnail

Top Searches for this datasheet

TECHNICAL DATA
RELATIVE HUMIDITY SENSOR 1100 1101
Based unique capacitive cell, these relative humidity sensors designed high volume, cost sensitive applications such office automation, automotive cabin control, home appliances, industrial process control systems. They also useful applications where humidity compensation needed.
FEATURES
Full interchangeability with calibration required standard conditions Instantaneous desaturation after long periods saturation phase Compatible with automatized assembly processes, including wave soldering, reflow water immersion High reliability long term stability Patented solid polymer structure Suitable linear voltage frequency output circuitry Fast response time Individual marking compliance stringent traceability requirements
soldering temperature profiles available request
1100 opening
MAXIMUM RATINGS (Ta= 25°C unless otherwise noted)
Ratings Symbol Value Unit
OPERATING RANGE
RELATIVE HUMIDITY
1101 Side opening
Operating Temperature Storage Temperature Supply Voltage Humidity Operating Range Soldering 260°C
Tstg
CHARACTERISTICS
25°C, measurement frequency 10kHz unless otherwise noted)
TEMPERATURE
Characteristics
Symbol
Min.
Typ.
Max.
Unit.
Humidity measuring range Supply voltage Nominal capacitance Temperature coefficient Averaged Sensitivity from Leakage current (Vcc Volts) Recovery time after hours condensation Humidity Hysteresis Long term stability Response time still 63%) Deviation typical response curve (10%
0.04 0.34 +/-1.5
pF/°C pF/%RH %RH/yr
C/%RH
+/-2
Tighter specification available request
HPC001 Rev. June 2002
TECHNICAL DATA
CHARACTERISTICS (CONT'D)
Typical response curve 1100/HS 1101 humidity
capacitance
Calibration data traceable NIST standards through CETIAT laboratory. Measurement frequency 10kHz 25°C
Polynomial response C(pf)=C@55% (1.2510 -1.3610 +2.1910 RH+9.010
Measurement frequency influence
this data sheet, capacitance measurements 10kHz. However, sensor operate without restriction from 5kHz 100kHz. calculate influence frequency capacitance measurements
Polarization
order better reproducibility during measurements, always connect case header (pin ground circuit. case header located opposite side tab.
Soldering instructions
Application Note HPC007
PROPORTIONAL VOLTAGE OUTPUT CIRCUIT
Internal Block Diagram (0.00474 %RH+0.2354)
Reference Oscillator L.P. Filter Sensor Oscillator Gain Vout Typical temperature coefficient +0.1% RH/°C From 60°C
DEMO BOARD AVAILABLE REQUEST (REF HM1510)
Typical Characteristics Voltage Output Circuit
25°C Voltage
HPC001 Rev. June 2002
1.41
1.65
1.89
2.12
2.36
2.60
2.83
3.07
3.31
3.55
TECHNICAL DATA
FREQUENCY OUTPUT CIRCUITS
COMMENTS
576K
49.9K
FOUT
TLC555
This circuit typical astable design 555. HS1100/HS1101, used variable capacitor, connected TRIG THRES pin. used short circuit resistor HS1100/HS1101 equivalent capacitor charged through threshold voltage (approximately 0.67Vcc) discharged through only trigger level (approximately 0.33Vcc) since shorten ground Since charge discharge sensor through different resistors, duty cycle determined
high C@%RH (R2+R4) C@%RH 1/(t high 1/(C@%RH (R4+2 ln2) Output duty cycle high R2/(R4+2
provide output duty cycle close 50%, should very compared never under minimum value. Resistor short circuit protection. must CMOS version.
909K
HS11XX
180p@55%RH
BILL MATERIAL AVAILABLE REQUEST
REMARK
unbalances internal temperature compensation scheme order introduce temperature coefficient that matches HS1100/HS1101 temperature coefficient. cases, should resistor with maximum 100ppm coefficient temperature like other timer resistors. Since internal temperature compensation changes from trademark other, value should adapted specific chip. keep nominal frequency 6660Hz 55%RH, also needs slight adjustment shown table.
Type
TLC555 (Texas) TS555 (STM) 7555 (Harris) LMC555 (National)
909k 100nF capacitor 1732k 1238k
576k 523k 549k 562k
frequency 6660Hz 55%RH
Typical Characteristics Frequency Output Circuits
REFERENCE POINT 6660Hz 55%RH 25°C Frequency 7351 7224 7100 6976 6853 6728 6600 6468 6330 6186 6033
Typical Cmos type. TLC555 Relative Humidity Frequency Polynomial response
mes(Hz) (Hz) (1.1038-1.936810 RH+3.011410 -3.440310
Measurement Error Stray Capacitance
special attention required order minimize stray capacitance layout. added capacitance will parallel capacitance with sensor create measurement error.
Error
Stray capacitance (pF) Nominal Capacitance 180pF Nominal Humidity 55%RH Frequency Range 0kHz 25kHz 75.5% 97.5%
HPC001 Rev. June 2002
TECHNICAL DATA
QUALIFICATION PROCESS HS1100/HS1101 sensors have been qualified through complete qualification process taking account many requirements STD750 including Solder heat solderability Wave soldering 260°C water clean 45°C Mechanical shock 1500 blows, directions Vibration Variable 2000Hz), fixed 35Hz) Constant acceleration Marking permanency Electrostatic Discharge Human boby Machine model Salt Atmosphere STD750/Method 1041/96 hours Temperature Cycling 40°C +85°C High Temperature Humidity Operating Life 93%RH 60°C 1000 hours humidity storage life 10%/23°C 1000 hours Resistance immersion water ambient temperature 80°C hours Resistance acid vapors 75000 nitric, sulfuric chlorhydric acids Resistance many chemicals linked with home appliances/ automotive consumer applications.
these tests regularly performed different lots from production. More information available request Environmental recycling information HS1100/HS1101 sensors lead free components HS1100/HS1101 sensors free (VI),
PACKAGE OUTLINE HS1100
(mm) (mm)
(mm)
(mm)
9.00 9.30 8.00 8.50 3.50 3.90 12.00 14.00 0.40 0.50 0.70 1.10 0.70 0.90 4.83 5.33
PACKAGE OUTLINE HS1101
9.70 10.20 5.70 6.20 0.40 0.60 12.00 14.00 0.40 0.50 0.70 1.10 0.70 0.90 4.83 5.33
ORDERING INFORMATION 1100 (MULTIPLE PACKAGE QUANTITY PIECES) 1101 (MULTIPLE PACKAGE QUANTITY PIECES) CAPACITIVE RELATIVE HUMIDITY SENSOR.
SAMPLE HS1100-HS1101 AVAILABLE THROUGH HUMIREL SITE
www.humirel.com
email sales@humirel.com
information this sheet been carefully reviewed believed accurate; however, responsability assumed inaccuracies. Furthermore, this information does convey purchaser such devices license under patent rights manufacturer. Humirel reserves right make changes without further notice product herein. Humirel makes warranty, representation guarantee regarding suitability product particular purpose, does Humirel assume liability arising application product circuit specifically disclaims liability, including without limitation consequential incidental damages. Typical parameters vary different applications. operating parameters, including Typical must validated each customer applications customer's technical experts. Humirel does convey license under patent rights rights others. Humirel products designed, intended, authorized components systems intended surgical implant into body, other application intended support sustain life, application which failure Humirel product could create situation where personal injury death occur. Should buyer purchase Humirel products such unintended unauthorized application, Buyer shall indemnify hold Humirel officers, employees, subsidaries, affiliates distributors harmless against claims, costs, damages expenses, reasonable attorney fees arising directly indirectly, claim presonal injury death associated with such unintended unauthorized use, even such claim alleges that Humirel negligent regarding design manufacture part.Humirel registred trade mark Humirel.
HPC001 Rev. June 2002

RELATIVE HUMIDITY SENSOR 1100 1101 Based unique capacitive cell,

Top Searches for this datasheet

Other recent searches